64920884

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7703}}^1$

素因数の和:7764

約数の個数: 36

約数和(自身を含む): 135251424

約数和(自身を除く): 70330540

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 7703, 8428, 15406, 30812, 53921, 107842, 215684, 331229, 377447, 662458, 754894, 1324916, 1509788, 2318603, 4637206, 9274412, 16230221, 32460442, 64920884]

約数ペア:

[(1, 64920884), (2, 32460442), (4, 16230221), (7, 9274412), (14, 4637206), (28, 2318603), (43, 1509788), (49, 1324916), (86, 754894), (98, 662458), (172, 377447), (196, 331229), (301, 215684), (602, 107842), (1204, 53921), (2107, 30812), (4214, 15406), (7703, 8428)]